TS ICET 24 May 2018 Shift 1 Paper

A bill payment office lias 3 counters working at staggered timings between 8.00 am to 6.00 pm. The first counter is open between 8.00 am and 2.00 pm. second from 1 0 .0 0 am to 4.00 pm and the third from 1 2 .0 0 noon to 6 . 0 0 pm. During which of the following time slots are all the three counters open ?